65+58+r=180

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Solution for 65+58+r=180 equation: 


Simplifying
65 + 58 + r = 180

Combine like terms: 65 + 58 = 123
123 + r = 180

Solving
123 + r = 180

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-123' to each side of the equation.
123 + -123 + r = 180 + -123

Combine like terms: 123 + -123 = 0
0 + r = 180 + -123
r = 180 + -123

Combine like terms: 180 + -123 = 57
r = 57

Simplifying
r = 57

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